var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
// 配置路由
var loginRouter = require('./routes/Login');
var barterRouter = require('./routes/Barter');
var takeRouter = require('./routes/Take');
var shareRouter = require('./routes/Share');
var messageRouter = require('./routes/Message');
var mineRouter = require('./routes/Mine');
var adminRouter = require('./routes/Admin');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// 解决跨域问题
app.all('*',function(req,res,next) {
  // 设置响应头
  res.header('Access-Control-Allow-Origin','*');
  res.header('Access-Control-Allow-Methods','GET,POST,PUT,DELETE');
  res.header('Access-Control-Allow-Headers', 'Content-Type, Content-Length, Authorization, Accept, X-Requested-With');
  next();
})

app.use('/', indexRouter);
app.use('/users', usersRouter);
// 设置拦截
app.use('/login',loginRouter);
app.use('/barter',barterRouter);
app.use('/take',takeRouter);
app.use('/share',shareRouter);
app.use('/message',messageRouter);
app.use('/mine',mineRouter);
app.use('/admin',adminRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
